Google Chrome Root Store Policy version 1.6, published on February 15, 2025, introduced sweeping changes that affect every public Certificate Authority trusted by Chrome and, by extension, every website relying on their certificates. The policy phases out...
Choosing the wrong PKI architecture means either overpaying for trust you don't need or locking your organization out of the control required to secure internal systems at scale. Internal PKI gives organizations full ownership over certificate issuance within a closed...
Verifying a digital signature confirms two things at once: that the content came from who it claims to have come from, and that nothing changed after it was signed. The process works by applying the signer's public key to decrypt a cryptographic hash stored in the...
Bare metal hosting is the strongest infrastructure choice for PCI DSS compliance because it provides single-tenant physical servers, eliminating the shared-resource risks that complicate cardholder data environment scoping in virtualized setups. For e-commerce...
ACME, EST, and SCEP are the three dominant protocols for automating certificate enrollment and renewal. ACME (Automatic Certificate Management Environment) handles public TLS certificates with zero manual intervention, EST (Enrollment over Secure Transport) targets...
OCSP stapling is a TLS extension that lets your server deliver a pre-fetched, CA-signed certificate revocation status directly to connecting clients during the handshake - removing the need for browsers to make a separate request to the Certificate Authority's OCSP...
A 502 Bad Gateway error means one server received an invalid response from another server while processing your request. The gateway or proxy server - sitting between your browser and the origin server - got back something it could not use. Most 502 errors come from...
Starting March 1, 2026, publicly trusted code signing certificates are limited to a maximum validity of 460 days - roughly 15 months - down from the previous 39-month maximum. This change is mandated by CA/Browser Forum Ballot CSC-31, adopted on November 17, 2025. Any...
BIMI (Brand Indicators for Message Identification) and Verified Mark Certificates (VMCs) work together to display your trademarked logo directly in email inboxes - turning your brand identity into a visible trust signal before recipients open a single message. A VMC...
Starting March 15, 2026, the CA/Browser Forum voted to reduce maximum SSL/TLS certificate validity from 398 days to 200 days - and the reduction doesn't stop there. Under the approved ballot SC-081, the limit drops further to 100 days in 2027, then to 47 days in 2029....
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